yes they do
Twenty-eight bladed, straight pull spokes are laced two-cross to alloy-bodied disc hubs. The front hub sports two cartridge bearings while the rear uses four to better support the axle, and adapters are included for every major type of through-axle, both front and rear.

No, you do not need any tools to change end caps. They are the same as the SUN Ringlé Charger Pro wheels I have. They simply push in. However cutting and pasting from the website, They do not come with end caps for 12 X 142 rear. They have to be bought separately: